Three people, including a woman and an NHAI employee, were killed after a speeding SUV hit them while they were changing a punctured tyre on Delhi-Mumbai Expressway near Gurjar Khorra Puliya in Alwar around 1.30 am Thursday, police said. An NHAI employee, a cab driver and a 26-year-old event manager were killed after a speeding MG Hector ran them over while they were changing a tyre in Alwar.